Violectric
Violectric HPA V550 PRO
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The Violectric HPA V550 PRO is a reference-grade headphone amplifier and line preamplifier meticulously engineered for demanding mastering environments and critical studio playback. Utilizing discrete solid-state architecture and an exceptionally high internal operating voltage, this unit offers uncolored transparency and lightning-fast transient response, providing an analytical window into your mix without imposing any sonic signature of its own.
Relay-Controlled Volume and Phase Perfection
Traditional carbon-track potentiometers inherently suffer from channel imbalances at lower volume settings, severely compromising spatial imaging and the accurate assessment of reverb tails. The PRO version of the V550 completely bypasses this limitation by utilizing a sophisticated 256-step resistor ladder network controlled by premium reed relays. Adjusting the signal in exact 0.4 dB increments, this mechanism guarantees flawless left/right channel matching and phase coherence at any attenuation level. This level of mathematical precision is mandatory for mastering engineers evaluating stereo width and subtle panning moves.
50V Operating Voltage and Pre-Gain Flexibility
Properly driving inefficient planar magnetic headphones or high-impedance dynamic studio monitors requires massive dynamic headroom. The HPA V550 PRO operates on a 50 V internal voltage rail, allowing it to swing up to 21 V RMS into 600 Ohms and deliver 6400 mW into 50 Ohms. This specific topology completely prevents transient clipping and dynamic compression. To accommodate this immense power across all headphone types without raising the noise floor, the amplifier features a hardware Pre-Gain system. Engineers can adjust the internal gain staging in 7 steps (from -18 dB to +18 dB), ensuring a pitch-black background even when using hyper-sensitive in-ear monitors (IEMs).
KEY FEATURES
- Advanced 256-step relay-controlled resistor ladder (0.4 dB increments) ensuring flawless channel balance and spatial imaging.
- Massive output stage yielding 6400 mW (50 Ohms) and 21 V RMS (600 Ohms) via an internal 50 V operating voltage.
- Hardware Pre-Gain adjustment system to perfectly match the amplifier's sensitivity to anything from delicate IEMs to demanding planars.
- Exceptionally high damping factor providing strict mechanical control over headphone drivers for precise, tight bass response.
- Comprehensive line preamplifier capabilities, fully manageable from the tracking position via the included remote control.
TECHNICAL SPECIFICATIONS
- Device Type: Solid-state headphone amplifier / line preamplifier
- Analog Inputs: 1x Balanced XLR, 2x Unbalanced RCA
- Line Outputs (Pre-Out): 1x Balanced XLR, 1x Unbalanced RCA
- Headphone Outputs: 1x 4-pin XLR (Balanced), 1x 4.4 mm Pentaconn (Balanced), 1x 6.3 mm / 1/4" Jack (Unbalanced)
- Maximum Output Power: 6400 mW (50 Ohms)
- Maximum Output Voltage: 21 V RMS (600 Ohms)
- Volume Control: 256-step relay-controlled resistor ladder (PRO version exclusive)
- Pre-Gain Adjustments: -18, -12, -6, 0, +6, +12, +18 dB
- Remote Control: Infrared remote included
